8-23
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Appendix 8 Managing the Switch Hardware
Shutting Down Modules
Note If you are powering on more fabric modules than allowed by the current maximum number of fabric
modules, then make sure that the fabric modules that you are powering on are installed in the first n
fabric slots (slots 1 through n), power-on those modules with the no poweroff xbar command, and
change the maximum number of fabric modules to n (see the “Changing the Amount of Power Reserved
for Fabric Modules” section on page 8-30).
SUMMARY STEPS
1. config t
2. [no] poweroff xbar slot_number
Note Alternatively, you can use the out-of-service xbar slot_number command.
DETAILED STEPS
Shutting Down an I/O Module
To shut down an I/O module, use the poweroff module command to specify the slot with that module
as follows:
switch# poweroff module slot
When you are ready to power up the module, use the no poweroff module command.
SUMMARY STEPS
1. config t
2. [no] poweroff module slot_number
Command Purpose
Step 1
config t
Example:
switch# config t
switch(config)#
Starts the global configuration mode.
Step 2
poweroff xbar slot_number
Example:
switch(config)# poweroff xbar 1
switch(config)#
Powers off the specified fabric module in the switch.
no poweroff xbar slot_number
Example:
switch(config)# no poweroff xbar 1
switch(config)#
Powers on the specified fabric module in the switch.
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